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MD1320N

3.3V/5V Stepdown DC to DC Converter Power IC MD1320N Application Manual

Unspecified 

6 - 4 Remote ON/OFF Control

The MD1320N is not provided with remote ON/OFF control functions. When necessary, be sure to add the recommended

circuit shown below. The use of remote control (R/C) circuit turns the output ON and OFF without making or breaking the

input. The R/C circuit can also be employed in systems such as sequence control for a power supply system.

1) R/C terminal When turning ON power supply on the low side (connection to ground), be sure to add the circuit shown in

Fig. 6 - C, and turn the power supply OFF when the R/C circuit is on the high side.

2) R/C terminal When turning ON power supply on the high side (open), be sure to add the circuit shown in Fig. 6-D, and

turn power supply OFF when the R/C terminal is on the low side.

+Vin

DC input

R1

Q1

R4

R2

Q2

R3 Q3

R/C

G

+Vo

VCC

VDD

VOUT

MD1320N

GND

(Figure 6-C)

+Vin

DC input

R/C

G

R1

Q1

R2

R3

Q2

+Vo

VCC

VDD

VOUT

MD1320N

GND

(Figure 6-D)

11

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